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<html lang="zh">
<head>
<title>aaaaa</title>
<script type="text/javascript">
function goSubmit(num){
alert(11);
var ss = document.forms[0];
//var ss1 = document.getElementById('cc');
alert(ss);
//alert(ss1);
}
</script>
</head>
<form name="NOonl_subhead0500Form" method="post" action="/online/head0500.do" target="Head"><input type="hidden" name="org.apache.struts.taglib.html.TOKEN" value="88dae4ff630b06acb81f9373e11b4c0d">
</form>
<frameset rows="245,*" cols="*" framespacing="0" frameborder="no"
border="0" onload="goSubmit(501)">
<frame name="Head" src="" scrolling="no">
<frame name="Main" src="" scrolling="yes">
<noframes>
<body>
<p>EEEEE</p>
</body>
</noframes>
</frameset>
</html>
<html lang="zh">
<head>
<title>aaaaa</title>
<script type="text/javascript">
function goSubmit(num){
alert(11);
var ss = document.forms[0];
var ss1 = document.getElementById('ccc');
alert(ss);
alert(ss1);
}
</script>
</head>
<form id="ccc" name="NOonl_subhead0500Form" method="post" action="/online/head0500.do" target="Head"><input type="hidden" name="org.apache.struts.taglib.html.TOKEN" value="88dae4ff630b06acb81f9373e11b4c0d">
</form>
<frameset rows="245,*" cols="*" framespacing="0" frameborder="no"
border="0" onload="goSubmit(501)">
<frame name="Head" src="" scrolling="no">
<frame name="Main" src="" scrolling="yes">
<noframes>
<body>
<p>EEEEE</p>
</body>
</noframes>
</frameset>
</html>
我加了ID 然后 alert 的结果是:
11
undefined
null